Christos Sioutis Jeffrey Tweedale Pierre Urlings Nikhil Ichalkaranje Lakhmi C. Jain Teaming Humans and Agents in a Simulated World. 80-86 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3213&spage=80 2004 conf/kes/2004-1 KES db/conf/kes/kes2004-1.html#SioutisTUIJ04